Nakajima, Kyo
Teramoto, Takahiro
Akagi, Hiroshi
Fujikawa, Takashi
Majima, Takuya
Minemoto, Shinichirou
Ogawa, Kanade
Sakai, Hirofumi
Togashi, Tadashi
Tono, Kensuke
Tsuru, Shota
Wada, Ken
Yabashi, Makina
Yagishita, Akira
Article History
Received: 20 October 2014
Accepted: 17 August 2015
First Online: 15 September 2015
Competing interests
: The authors declare no competing financial interests.